Lamp Replacement Checks
- When changing lamps, always clean the tanning
- Dirty reflectors and acrylics can significantly
reduce the useful UV performance of the
- Check the acrylic quality. Poor quality,
"cheap" acrylics, or 'yellow,
badly degraded acrylics can block 70% or
more of the UVB radiation of the lamps
reaching your skin. This can make a new
appear to perform like one that has reached
- Check the lamp sockets. Be sure that the
lamps are snug in the lamp sockets. Replace
any that show worn springs or loose contacts.
Poor lamp contacts can cause difficulty
lamp starting, shorten lamp life, cause
end blackening, and possible electrical
at the lamp ends.
- Change the lamp starters regularly. Generally
most bed manufacturers recommend changing
the starters every other lamp replacement.
A worn out two dollar starter can quickly
destroy a twelve dollar lamp.
- Periodically check lamp cleanliness. Most
units have an air-cooling system for the
lamps, which ends up being a giant vacuum
cleaner for room dirt. The dirt build up
on the lamps can have a significant effect
on lamp intensity.
Check that the cooling system for the lamps
is operating properly. Without proper airflow,
a lamp can lose intensity. A lamp running
20 - 30 degrees too hot (or too cold) can
lose as much as 35% of it's maximum output
- Monitor your lamp intensity. Purchase a UV
monitor and develop a history of UV readings.
Check your lamps both with and without
so you can follow the degradation of the
acrylics. Also, periodically check the
intensity so you can monitor the depreciation
of the lamps during use. Keep in mind,
most meters cannot be used to compare lamps
with different spectral properties. Generally
lamps are replaced at about 30% loss from
their initial intensity. This will vary